GB2418956B - A compressor having casing treatment slots - Google Patents

A compressor having casing treatment slots

Info

Publication number
GB2418956B
GB2418956B GB0526103A GB0526103A GB2418956B GB 2418956 B GB2418956 B GB 2418956B GB 0526103 A GB0526103 A GB 0526103A GB 0526103 A GB0526103 A GB 0526103A GB 2418956 B GB2418956 B GB 2418956B
Authority
GB
United Kingdom
Prior art keywords
compressor
casing treatment
treatment slots
slots
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0526103A
Other versions
GB2418956A (en
GB0526103D0 (en
Inventor
Bryan Leigh Lapworth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of GB0526103D0 publication Critical patent/GB0526103D0/en
Publication of GB2418956A publication Critical patent/GB2418956A/en
Application granted granted Critical
Publication of GB2418956B publication Critical patent/GB2418956B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • F04D29/547—Ducts having a special shape in order to influence fluid flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB0526103A 2003-11-25 2003-11-25 A compressor having casing treatment slots Expired - Fee Related GB2418956B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0327337A GB2408546B (en) 2003-11-25 2003-11-25 A compressor having casing treatment slots

Publications (3)

Publication Number Publication Date
GB0526103D0 GB0526103D0 (en) 2006-02-01
GB2418956A GB2418956A (en) 2006-04-12
GB2418956B true GB2418956B (en) 2006-07-05

Family

ID=29797734

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0327337A Expired - Fee Related GB2408546B (en) 2003-11-25 2003-11-25 A compressor having casing treatment slots
GB0526103A Expired - Fee Related GB2418956B (en) 2003-11-25 2003-11-25 A compressor having casing treatment slots

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0327337A Expired - Fee Related GB2408546B (en) 2003-11-25 2003-11-25 A compressor having casing treatment slots

Country Status (2)

Country Link
US (1) US7210905B2 (en)
GB (2) GB2408546B (en)

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US7658592B1 (en) * 2005-12-29 2010-02-09 Minebea Co., Ltd. Slots in fan housing to reduce tonal noise
DE102007037924A1 (en) 2007-08-10 2009-02-12 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with Ringkanalwandausnehmung
DE102007056953B4 (en) * 2007-11-27 2015-10-22 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with Ringkanalwandausnehmung
DE102008009604A1 (en) * 2008-02-15 2009-08-20 Rolls-Royce Deutschland Ltd & Co Kg Housing structuring for stabilizing flow in a fluid power machine
DE102008010283A1 (en) 2008-02-21 2009-08-27 Mtu Aero Engines Gmbh Circulation structure for a turbocompressor
DE102008011644A1 (en) 2008-02-28 2009-09-03 Rolls-Royce Deutschland Ltd & Co Kg Housing structuring for axial compressor in the hub area
FR2929349B1 (en) * 2008-03-28 2010-04-16 Snecma CARTER FOR MOBILE WHEEL TURBOMACHINE WHEEL
DE102008031982A1 (en) 2008-07-07 2010-01-14 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with groove at a trough of a blade end
DE102008037154A1 (en) 2008-08-08 2010-02-11 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine
FR2940374B1 (en) * 2008-12-23 2015-02-20 Snecma COMPRESSOR HOUSING WITH OPTIMIZED CAVITIES.
US8337146B2 (en) * 2009-06-03 2012-12-25 Pratt & Whitney Canada Corp. Rotor casing treatment with recessed baffles
GB2483060B (en) * 2010-08-23 2013-05-15 Rolls Royce Plc A turbomachine casing assembly
EP2434164A1 (en) * 2010-09-24 2012-03-28 Siemens Aktiengesellschaft Variable casing treatment
US8678740B2 (en) * 2011-02-07 2014-03-25 United Technologies Corporation Turbomachine flow path having circumferentially varying outer periphery
DE102011006275A1 (en) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Stator of an axial compressor stage of a turbomachine
DE102011006273A1 (en) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Rotor of an axial compressor stage of a turbomachine
DE102011007767A1 (en) * 2011-04-20 2012-10-25 Rolls-Royce Deutschland Ltd & Co Kg flow machine
FR2989743B1 (en) * 2012-04-19 2015-08-14 Snecma COMPRESSOR HOUSING WITH CAVITIES OF VARIED LENGTHS
FR2989744B1 (en) * 2012-04-19 2014-06-13 Snecma CAVITY COMPRESSOR HOUSING WITH OPTIMIZED SHAFT
FR2989742B1 (en) * 2012-04-19 2014-05-09 Snecma UPRIGHT CAVITY COMPRESSOR HOUSING OPTIMIZED
WO2015130528A1 (en) 2014-02-25 2015-09-03 Siemens Aktiengesellschaft Turbine component thermal barrier coating with crack isolating engineered surface features
US8939707B1 (en) * 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone terraced ridges
US9243511B2 (en) 2014-02-25 2016-01-26 Siemens Aktiengesellschaft Turbine abradable layer with zig zag groove pattern
US8939706B1 (en) 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone having a frangible or pixelated nib surface
US8939705B1 (en) * 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone multi depth grooves
WO2016133582A1 (en) 2015-02-18 2016-08-25 Siemens Aktiengesellschaft Turbine shroud with abradable layer having dimpled forward zone
US9151175B2 (en) 2014-02-25 2015-10-06 Siemens Aktiengesellschaft Turbine abradable layer with progressive wear zone multi level ridge arrays
EP2927503B1 (en) 2014-04-03 2023-05-17 MTU Aero Engines AG Gas turbine compressor, aircraft engine and design method
US20160153465A1 (en) * 2014-12-01 2016-06-02 General Electric Company Axial compressor endwall treatment for controlling leakage flow therein
US10047620B2 (en) 2014-12-16 2018-08-14 General Electric Company Circumferentially varying axial compressor endwall treatment for controlling leakage flow therein
US9926806B2 (en) 2015-01-16 2018-03-27 United Technologies Corporation Turbomachine flow path having circumferentially varying outer periphery
US10066640B2 (en) * 2015-02-10 2018-09-04 United Technologies Corporation Optimized circumferential groove casing treatment for axial compressors
US10408079B2 (en) 2015-02-18 2019-09-10 Siemens Aktiengesellschaft Forming cooling passages in thermal barrier coated, combustion turbine superalloy components
GB201509771D0 (en) * 2015-06-05 2015-07-22 Rolls Royce Plc Containment casing
US10294862B2 (en) 2015-11-23 2019-05-21 Rolls-Royce Corporation Turbine engine flow path
US10315754B2 (en) 2016-06-10 2019-06-11 Coflow Jet, LLC Fluid systems that include a co-flow jet
US10106246B2 (en) 2016-06-10 2018-10-23 Coflow Jet, LLC Fluid systems that include a co-flow jet
CN106286394B (en) * 2016-10-14 2018-08-10 中国科学院工程热物理研究所 A kind of compressor communication type shrinkage joint treated casing method and device
US11255345B2 (en) 2017-03-03 2022-02-22 Elliott Company Method and arrangement to minimize noise and excitation of structures due to cavity acoustic modes
CN106968986A (en) * 2017-05-08 2017-07-21 中国航发湖南动力机械研究所 Seam processor box and compressor
US10683076B2 (en) 2017-10-31 2020-06-16 Coflow Jet, LLC Fluid systems that include a co-flow jet
CN107965465B (en) * 2017-11-22 2019-06-18 中国科学院工程热物理研究所 A kind of discrete rake joist treated casing control device and method of compressor air suction type
US11293293B2 (en) 2018-01-22 2022-04-05 Coflow Jet, LLC Turbomachines that include a casing treatment
DE102018208040A1 (en) * 2018-05-23 2019-11-28 MTU Aero Engines AG Seal carrier and turbomachine
US11111025B2 (en) 2018-06-22 2021-09-07 Coflow Jet, LLC Fluid systems that prevent the formation of ice
US10914318B2 (en) * 2019-01-10 2021-02-09 General Electric Company Engine casing treatment for reducing circumferentially variable distortion
EP3734081A1 (en) * 2019-04-30 2020-11-04 Borgwarner Inc. Flow modification device for compressor
US11473438B2 (en) * 2019-06-04 2022-10-18 Honeywell International Inc. Grooved rotor casing system using additive manufacturing method
WO2021016321A1 (en) 2019-07-23 2021-01-28 Gecheng Zha Fluid systems and methods that address flow separation
US11286955B2 (en) * 2019-10-11 2022-03-29 General Electric Company Ducted fan with fan casing defining an over-rotor cavity
CN110886724B (en) * 2019-12-16 2021-10-01 中国科学院工程热物理研究所 Axial seam type treatment casing
US20230151825A1 (en) * 2021-11-17 2023-05-18 Pratt & Whitney Canada Corp. Compressor shroud with swept grooves
FR3140406A1 (en) 2022-10-04 2024-04-05 Safran Non-axisymmetric housing treatment with piloted opening
US11970985B1 (en) 2023-08-16 2024-04-30 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with pivoting vanes for a fan of a gas turbine engine

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WO1994020759A1 (en) * 1993-03-11 1994-09-15 Central Institute Of Aviation Motors (Ciam) Anti-stall tip treatment means
EP0751280A1 (en) * 1995-05-31 1997-01-02 United Technologies Corporation Flow aligned plenum endwall treatment for compressor blades
GB2356588A (en) * 1999-11-25 2001-05-30 Rolls Royce Plc Processing tip treatment bars in a gas turbine engine
GB2362432A (en) * 2000-05-19 2001-11-21 Rolls Royce Plc Anti-stall hollow tip treatment bars for damage limitation

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US4239452A (en) * 1978-06-26 1980-12-16 United Technologies Corporation Blade tip shroud for a compression stage of a gas turbine engine
GB2245312B (en) * 1984-06-19 1992-03-25 Rolls Royce Plc Axial flow compressor surge margin improvement
US5282718A (en) * 1991-01-30 1994-02-01 United Technologies Corporation Case treatment for compressor blades
US6290458B1 (en) * 1999-09-20 2001-09-18 Hitachi, Ltd. Turbo machines
GB2385378B (en) * 2002-02-14 2005-08-31 Rolls Royce Plc Engine casing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994020759A1 (en) * 1993-03-11 1994-09-15 Central Institute Of Aviation Motors (Ciam) Anti-stall tip treatment means
EP0751280A1 (en) * 1995-05-31 1997-01-02 United Technologies Corporation Flow aligned plenum endwall treatment for compressor blades
GB2356588A (en) * 1999-11-25 2001-05-30 Rolls Royce Plc Processing tip treatment bars in a gas turbine engine
GB2362432A (en) * 2000-05-19 2001-11-21 Rolls Royce Plc Anti-stall hollow tip treatment bars for damage limitation

Also Published As

Publication number Publication date
GB0327337D0 (en) 2003-12-31
GB2418956A (en) 2006-04-12
US20050111968A1 (en) 2005-05-26
GB0526103D0 (en) 2006-02-01
GB2408546A (en) 2005-06-01
US7210905B2 (en) 2007-05-01
GB2408546B (en) 2006-02-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20201125